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Weather Averages for
Norristown, PA
Latitude: 40°7'N,
Longitude: 75°21'W,
Elevation: 70.0 ft,
Distance: 1.73 mi
Average temperature
over 30 years |
°F |
53 |
29 |
32 |
41 |
51 |
62 |
71 |
75 |
74 |
66 |
55 |
45 |
35 |
Average high temperature
over 30 years |
°F |
63 |
37 |
41 |
51 |
62 |
73 |
82 |
86 |
84 |
77 |
66 |
55 |
43 |
Average low temperature
over 30 years |
°F |
43 |
21 |
23 |
32 |
41 |
51 |
60 |
65 |
64 |
56 |
44 |
36 |
26 |
Average precipitation
over 30 years |
in |
44.4 |
3.3 |
3.0 |
3.5 |
3.7 |
4.2 |
3.6 |
4.5 |
4.1 |
4.1 |
3.0 |
3.8 |
3.6 |
Heating degree days
over 30 years |
days |
5114 |
1091 |
913 |
722 |
390 |
121 |
8 |
- |
- |
55 |
305 |
579 |
930 |
Cooling degree days
over 30 years |
days |
1022 |
- |
- |
- |
- |
46 |
206 |
338 |
301 |
115 |
16 |
- |
- |
Check weather averages for nearby locations (some locations might offer more data):
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